4Coupland, N. How Frequent Are Numbers [ J ]. Lan- guage and Communication, 2011, (31 ).
5Laviosa,S. Corpus - based Translation Studies: Theo- ry, Findings and Application [ M ]. Amsterdam : Rodo- pi, 2002.
6Schafner, C. Politics and Translation. In Kuhiwczak, Piotr & Littau, Karin ( ed. ) A Companion to Transla- tion Studies. Clevedon, Buffalo& Totonto: Muhilingual Matters, 2007.
7Sinclair, John. Corpus, Concordance, Collocation E M ]. Oxford : Oxford University, 1991.